![](https://www.pdfsearch.io/img/fe56c85034671ac165d0d3975a7cd37c.jpg) Date: 2015-03-08 03:31:06
| | Activity 4 Card flip magic—Error detection and correction Age group Middle elementary and up. Abilities assumed Requires counting and recognition of (small) odd andAdd to Reading ListSource URL: csunplugged.orgDownload Document from Source Website File Size: 57,91 KBShare Document on Facebook
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